package edu.sctu.practice.class02.xuejiahua.test10;

/**
 * Created by Administrator on 2015/10/10.
 */
public class Addition {
    public double a;
    public double b;

    public double add(){
        return (a+b);

      }
    public void add(long a,long b){
        System.out.println(a+b);

    }
    public void add(float a,float b){
        System.out.println(a+b);
    }

    public void add(double  a,double  b){
        System.out.println(a+b);
    }
    public void add(String a,String b){
        System.out.println(a+b);

    }

}
